Tire tread



FIG. 1 is a perspective view of a tire tread showing our new design, it being understood that the pattern repeats uniformly throughout the circumference of the tread;

FIG. 2 is an enlarged front elevational view thereof;

FIG. 3 is a side elevational view thereof, the opposite side elevational view being identical thereto; and,

FIG. 4 is an enlarged fragmentary perspective view.

In the drawings, the broken lines defining the sidewall and inner bead are for illustrative purposes only and form no part of the claimed design. 

The ornamental Design for a tire tread, as shown and described. 